EP 0519689 A3 19930303 - LEAK DETECTION BY OBSERVING BUBBLES IN A LIQUID POOL
Title (en)
LEAK DETECTION BY OBSERVING BUBBLES IN A LIQUID POOL
Publication
Application
Priority
- US 71856491 A 19910620
- US 84009792 A 19920224
Abstract (en)
[origin: EP0519689A2] The present invention is an apparatus and method for detecting a leak from an object. A bubble collecting tube is used for collecting bubbles emitted from an object and a bubble detecting assembly adjacent the bubble collecting tube is used for detecting a predetermined volume of bubbles collected in the bubble collecting tube to indicate a leak in the object. <IMAGE>
IPC 1-7
IPC 8 full level
G01M 3/10 (2006.01)
CPC (source: EP)
G01M 3/10 (2013.01)
Citation (search report)
- [X] DE 3922314 A1 19910117 - ZIMMER WINFRIED [DE]
- [X] US 2589714 A 19520318 - LEE HILLIARD O
- [Y] FR 1471239 A 19670303 - AUTOMATISME CIE GLE
- [YD] US 4879907 A 19891114 - PATTERSON DWIGHT [US], et al
- [X] PATENT ABSTRACTS OF JAPAN vol. 8, no. 196 (P-299)(1633) 8 September 1984 & JP-A-59 84 121 ( UNIYUSHIYOU KOUWAN GIJUTSU KENKYUSHO ) 15 May 1984
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 92305522 A 19920616